Supporters of U.S. President Barack Obama cheer during the Obama Election Night watch party at McCormick Place November 6, 2012 in Chicago, Illinois. Obama is going for reelection against Republican candidate, former Massachusetts Governor Mitt Romney.

Photo: Chip Somodevilla, Getty Images

Supporters of U.S. President Barack Obama cheer during the Obama...

Supporters of U.S. President Barack Obama cheer during the Obama... Photo-3700672.52026 - SFGate

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CHICAGO, IL - NOVEMBER 06: U.S. President Barack Obama delivers his victory speech after being reelected for a second term at McCormick Place November 6, 2012 in Chicago, Illinois. Obama won reelection against Republican candidate, former Massachusetts Governor Mitt Romney. (Photo by Chip Somodevilla/Getty Images)

A supporter of President Barack Obama raises his arms as it is announced that Obama was re-elected during an election night watch party in Chicago early Wednesday, Nov. 7 2012. (AP Photo/Jerome Delay)

Photo: Jerome Delay, Associated Press

A supporter of President Barack Obama raises his arms as it is...

A supporter of President Barack Obama raises his arms as it is... Photo-3702196.52026 - SFGate

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A woman reaches for a balloon during an election day at the US consulate in Hong Kong on November 7, 2012. President Barack Obama swept to re-election, forging history again by transcending a slow economic recovery and the high unemployment which haunted his first term to beat Republican Mitt Romney. AFP PHOTO / Philippe LopezPHILIPPE LOPEZ/AFP/Getty Images

Photo: Philippe Lopez, AFP/Getty Images

A woman reaches for a balloon during an election day at the US...

A woman reaches for a balloon during an election day at the US... Photo-3702211.52026 - SFGate

US President Barack Obama is embraced by First Lady Michelle Obama on stage after winning the 2012 US presidential election November 7, 2012 in Chicago, Illinois. Obama swept to a emphatic re-election win over Mitt Romney, forging new history by transcending a dragging economy and the stifling unemployment which haunted his first term. AFP PHOTO / Robyn BeckROBYN BECK/AFP/Getty Images

Photo: Robyn Beck, AFP/Getty Images

US President Barack Obama is embraced by First Lady Michelle Obama...

US President Barack Obama is embraced by First Lady Michelle Obama... Photo-3702205.52026 - SFGate

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People celebrate the victory of the President Barack Obama in front of the White House in Washington on November 7, 2012. Obama was re-elected late Tuesday, making history when he won a second term in the White House and defeated his Republican challenger Mitt Romney, networks projected. AFP PHOTO/Mladen ANTONOVMLADEN ANTONOV/AFP/Getty Images

Photo: Mladen Antonov, AFP/Getty Images

People celebrate the victory of the President Barack Obama in front...

People celebrate the victory of the President Barack Obama in front... Photo-3702210.52026 - SFGate

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CHICAGO, IL - NOVEMBER 06: U.S. President Barack Obama waves to supporters after his victory speech at McCormick Place November 6, 2012 in Chicago, Illinois. Obama won reelection against Republican candidate, former Massachusetts Governor Mitt Romney. (Photo by Chip Somodevilla/Getty Images)

Light shines through a flag of President Barack Obama as people celebrate his re-election outside of the White House, on Pennsylvania Avenue in Washington in the early morning on Wednesday, Nov. 7, 2012. (AP Photo/Jacquelyn Martin)

Photo: Jacquelyn Martin, Associated Press

Light shines through a flag of President Barack Obama as people...

Light shines through a flag of President Barack Obama as people... Photo-3702207.52026 - SFGate

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An employee of the U.S. Embassy carries a cutout of Republican presidential candidate, former Massachusetts Gov. Mitt Romney, following an election event hosted by the U.S. Embassy in Seoul, South Korea, Wednesday, Nov. 7, 2012. President Barack Obama won re-election Tuesday night despite a fierce challenge from Republican Mitt Romney, prevailing in the face of a weak economy and high unemployment that encumbered his first term and crimped the middle class dreams of millions. (AP Photo/Ahn Young-joon)

Photo: Ahn Young-joon, Associated Press

An employee of the U.S. Embassy carries a cutout of Republican...

An employee of the U.S. Embassy carries a cutout of Republican... Photo-3702206.52026 - SFGate

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A man watches results of the US presidential elections at US President Barack Obama's election night event in Chicago on November 6, 2012. Obama swept to re-election, forging history again by transcending a slow economic recovery and the high unemployment which haunted his first term to beat Republican Mitt Romney. AFP PHOTO/Cengiz YARCengiz Yar Jr./AFP/Getty Images

Photo: Cengiz Yar Jr., AFP/Getty Images

A man watches results of the US presidential elections at US...

A man watches results of the US presidential elections at US... Photo-3702203.52026 - SFGate

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US President Barack Obama celebrates on stage after delivering his acceptance speech ion Chicago on November 7, 2012. Obama swept to re-election, forging history again by transcending a slow economic recovery and the high unemployment which haunted his first term to beat Republican Mitt Romney. AFP PHOTO/Jewel SAMADJEWEL SAMAD/AFP/Getty Images

Photo: Jewel Samad, AFP/Getty Images

US President Barack Obama celebrates on stage after delivering his...

US President Barack Obama celebrates on stage after delivering his... Photo-3702204.52026 - SFGate

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US Republican presidential candidate Mitt Romney kisses his wife Ann after conceding defeat to President Barack Obama on November 7, 2012 in Boston. Obama swept to re-election, forging history again by transcending a slow economic recovery and the high unemployment which haunted his first term to beat Romney. AFP PHOTO/Stan HONDASTAN HONDA/AFP/Getty Images

NEW YORK, NY - NOVEMBER 06: Jessica Clark, 18, reacts in Times Square as television networks call the election in favor of President Barack Obama on November 6, 2012 in New York City. She said she voted for the first time in Tuesday's election. According to network projections incumbent U.S. President Barack Obama has won a second term. (Photo by John Moore/Getty Images)

A woman cries after US President Barack Obama delivered his acceptance speech in Chicago on November 7, 2012. Obama swept to re-election, forging history again by transcending a slow economic recovery and the high unemployment which haunted his first term to beat Republican Mitt Romney. AFP PHOTO/Jewel SAMADJEWEL SAMAD/AFP/Getty Images

Photo: Jewel Samad, AFP/Getty Images

A woman cries after US President Barack Obama delivered his...

A woman cries after US President Barack Obama delivered his... Photo-3702200.52026 - SFGate

Sarah Obama, step-grandmother of President Barack Obama, speaks to the media about her reaction to Obama's re-election, in the garden of her house in the village of Kogelo, western Kenya Wednesday, Nov. 7, 2012. (AP Photo/Ben Curtis)

President Barack Obama acknowledges the crowd at his election night...

President Barack Obama acknowledges the crowd at his election night... Photo-3702193.52026 - SFGate

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Individuals attending the Democrat's watch party celebrate after the major networks called the presidential race for President Barack Obama on Tuesday, Nov. 6, 2012 at the Millennium Center in Winston-Salem, N.C. (AP Photo/Winston-Salem Journal, Andrew Dye)

CHICAGO, IL - NOVEMBER 06: U.S. President Barack Obama walks on stage with first lady Michelle Obama and daughters Sasha and Malia to deliver his victory speech on election night at McCormick Place November 6, 2012 in Chicago, Illinois. Obama won reelection against Republican candidate, former Massachusetts Governor Mitt Romney. (Photo by Win McNamee/Getty Images)

CHICAGO, IL - NOVEMBER 06: U.S. President Barack Obama delivers his victory speech after being reelected for a second term at McCormick Place November 6, 2012 in Chicago, Illinois. Obama won reelection against Republican candidate, former Massachusetts Governor Mitt Romney. (Photo by Chip Somodevilla/Getty Images)

US President Barack Obama delivers his acceptance speech after winning re-election on November 7, 2012 in Chicago. Obama swept to re-election, forging history again by transcending a slow economic recovery and the high unemployment which haunted his first term to beat Republican Mitt Romney. AFP PHOTO / Robyn BeckROBYN BECK/AFP/Getty Images

Students supporting U.S. President Barack Obama react as they watch election returns come in inside the Kennedy Forum at the Harvard University John F. Kennedy School of Government in Cambridge, Massachusetts, U.S., on Tuesday, Nov. 6, 2012. Obama, the post-partisan candidate of hope who became the first black U.S. president, won re-election today by overcoming four years of economic discontent with a mix of political populism and electoral math. Photographer: Scott Eisen/Bloomberg

Photo: Scott Eisen, Bloomberg

Students supporting U.S. President Barack Obama react as they watch...

Students supporting U.S. President Barack Obama react as they watch... Photo-3702217.52026 - SFGate

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A student reacts as she watches election returns come in inside the Kennedy Forum at the Harvard University John F. Kennedy School of Government in Cambridge, Massachusetts, U.S., on Tuesday, Nov. 6, 2012. Barack Obama, the post-partisan candidate of hope who became the first black U.S. president, won re-election today by overcoming four years of economic discontent with a mix of political populism and electoral math. Photographer: Scott Eisen/Bloomberg

Photo: Scott Eisen, Bloomberg

A student reacts as she watches election returns come in inside the...

Crystal Davis, of Seattle, waves a sparkler as she celebrates the 2012 election with a large crowd in Seattle's Capitol Hill neighborhood, Tuesday, Nov. 6, 2012, in Seattle's Capitol Hill neighborhood. The re-election of President Barack Obama and Washington state's referendum 74, which would legalize gay marriage, drew the most supporters to the streets. (AP Photo/Ted S. Warren)

BOSTON, MA - NOVEMBER 06: Spectators react to the election results displayed on large televisions during Mitt Romney's campaign election night event at the Boston Convention & Exhibition Center on November 6, 2012 in Boston, Massachusetts. Voters went to polls in the heavily contested presidential race between incumbent U.S. President Barack Obama and Republican challenger Mitt Romney. (Photo by Alex Wong/Getty Images)

Arizona Democrats of all ages celebrate as President Barack Obama is declared the winner of the presidential race at a Democratic Party gathering, Tuesday, Nov. 6, 2012, in Tucson, Ariz. (AP Photo/Ross D. Franklin)

Photo: Ross D. Franklin, Associated Press

Arizona Democrats of all ages celebrate as President Barack Obama...

Arizona Democrats of all ages celebrate as President Barack Obama... Photo-3702222.52026 - SFGate

Mamie Moore, 78, of Charlotte, left, is comforted by another supporter as President Barack Obama is elected for a second term following elections, Tuesday, Nov. 6, 2012, in Charlotte, N.C. Obama supporters came out to watch and celebrate the election returns at the Excelsior Club. (AP Photo/The Charlotte Observer, T. Ortega Gaines)

Republican presidential candidate Mitt Romney concedes defeat November 7, 2012 in Boston, Massachusetts, telling supporters that he had called US President Barack Obama to congratulate him on his victory. AFP PHOTO/DON EMMERTDON EMMERT/AFP/Getty Images